To avoid any fitment issues, please make sure to select the exact year, make and model of your vehicle. If you are unsure, please reach out to us for assistance prior to purchasing. Not that this part is built-to-order and NON-RETURNABLE. This part must be installed by a licensed professional to avoid any issues related to the complex installation

Revamp Your Ride with GDP Portals
Maximize your machine's performance with our GDP Portals. Our portals are the best on the market. With an all-in-one gear reduction and 6" lift, they give you the power you need to dominate any terrain while adding bigger tires. You've got the option to choose between a 30% and a 45% gear reduction. Upgrade from cast to billet aluminum for ultimate strength!

Built for Any Terrain
GDP Portals give you the ability to ride on any terrain. With our GDP Portals you get better acceleration and extra torque. A 30% gear reduction will improve your torque without completely sacrificing your top speed. If you plan to add bigger tires and dominate mud or rocks, a 45% gear reduction is the way to go.

Keep Your Drivetrain Stress to a Minimum
Rather than having your gear reduction in the transmission, GDP Portals put it in the wheel hub. This gives your axles, prop shaft, differential, and transmission more protection. More protection means more power without wearing parts down. This can save you from costly repairs in the future!

The Strength You Deserve
Our GDP Portals are built to last, so you can ride as rough as you want! Choose between cast or 6061 billet aluminum housing. Combine that with our 5/16" backing plates made from advanced steel alloy and you're getting the best portals in the industry.

• Our housings are reinforced for gear retention and optimized for oil flow
• Advanced steel alloy backing plates are stronger than chromoly
• Enhance with Portal Blood—gear oil formulated for GDP Portals
• There are no gimmicks and no vents because vents do more harm than good—we know because we tested them

Advanced Gaskets, Seals, and Bearings
Our portals use:

• Advanced gaskets and O-rings with excellent oil resistance and low deterioration rates
• A sealed input gear and double-lipped output seal
• 100% sealing coverage throughout so you can forget about oil leaks
• Double-angular contact output bearings to prevent premature wear
• Roller idler and drive bearings to maintain perfect gear meshing

Kit Includes:

• (4) Assembled portal hub complete with 9310 gears, seals, output shaft, advanced gaskets, and thrust bearings
• (4) Universal hubs and stainless steel slotted rotors with lugs
• (4) Specialized steel alloy backing plates
• (4) Steel caliper mounting plates
• (1) Front caliper adapter
• (1) Rear caliper adapter
• (6) Shims
• (6) Extended brake lines
• All required hardware, including recessed castle nut socket

Max Tire Size Recommendations for 6" Portal Gear Lift

FEATURES

• Available with billet or cast aluminum housing
• Cool, quiet, precision-ground gears made from 9310 alloy billet steel
• Increases width by 3" per side (6" total)
• 1.5" diameter 4340 hardened steel drive shaft
• No leak bearings and seals
• Universal hubs can be set up to work with the following bolt patterns: 4/156, 4/137, 4/115, and 4/110
• Comes complete with all hardware, backing plates, brakes lines and instructions